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Finding the Fourth Proportional to 616,274, 924,488.76 and 211,545.08

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Solution

The fourth proportional to 616,274, 924,488.76 and 211,545.08 is: 317,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,274 : 924,488.76 = 211,545.08 : x
  2. Step 2: Convert to fraction form
    616,274/924,488.76 = 211,545.08/x
  3. Step 3: Cross multiply
    616,274x = 924,488.76 × 211,545.08
  4. Step 4: Simplify right side
    616,274x = 195,571,048,693.30
  5. Step 5: Solve for x
    x = 195,571,048,693.30/616,274
  6. Step 6: Final answer
    x = 317,344.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.